pnacl: remove duplicated check to create project directory

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
pncal: clean up generated Makefile

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
pnacl: make conditionnal file creation a "one liner" to fix indentation

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
pnacl: automate compiler options for nacl

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
pnacl: disable clang warnings on generated code

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
pnacl: generate all files right in .nit_compile

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
pnacl: compile each compilation unit before linking

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
example/pnacl: remove copiler args that are no more necessary

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
example/pnacl: add server option to Makefile

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
Merge pull request #1 from xymus/pnacl

Modifications to PNaCl from Alexis